Antelope Hills

Located 30 miles northwest of Cheyenne, this was a familiar landmark in early American history, once marking the international boundary line between the United States and Mexico.
From Cheyenne, go N on Hwy 283 about 20 miles, then W on Hwy 33 for 8 miles, then N at the Antelope Hills sign.
Exploring Oklahoma History
Cheyenne Chamber of Commerce: